are Damage Indicators Mods allowed in the DMU servers

Yes, this has been asked multiple times. Next time please check if your question is answered already in the past.

ok can you also send me a link to that please

A link to what? The mod or a random thread with the same question?

yes please I like to check out the other link of  Damage Indicators  you said

https://swdteam.com/forum?p=thread&tid=5384

This is just one of the threads with the same question.